TY JOUR TI APPLICATION OF INNOVATIVE BLOOD PREPARATIONS FOR CORRECTION OF IMMUNE STATUS KW piglets KW concentrated blood serum KW cryoconcentration KW immune status KW immunity deficiencies JO Bulletin of KSAU AU Shulga, N.N. AU Petrukhin, M.A. AU Zhelyabovskaya, D.A. PY 2012 IS PB Krasnoyarsk State Agrarian University